ArcGISWindowsPhoneSDK.ClosestFacility.GetDirectionsLengthUnits C# (CSharp) Метод

        private esriUnits GetDirectionsLengthUnits(string directionsLengthUnits)
        {
            esriUnits units = esriUnits.esriUnknownUnits;
            if (directionsLengthUnits.Equals(string.Empty))
                return units;

            switch (directionsLengthUnits.ToLower())
            {
                case "kilometers":
                    units = esriUnits.esriKilometers;
                    break;
                case "meters":
                    units = esriUnits.esriMeters;
                    break;
                case "miles":
                    units = esriUnits.esriMiles;
                    break;
                case "nautical miles":
                    units = esriUnits.esriNauticalMiles;
                    break;
                case "unknown":
                    units = esriUnits.esriUnknownUnits;
                    break;
                default:
                    break;
            }

            return units;
        }